Home / 477,005,547,471.80-658,269,790,666.52-260,231,085,126.40

Finding the Fourth Proportional to 477,005,547,471.80, 658,269,790,666.52 and 260,231,085,126.40

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Solution

The fourth proportional to 477,005,547,471.80, 658,269,790,666.52 and 260,231,085,126.40 is: 359,120,062,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,005,547,471.80 : 658,269,790,666.52 = 260,231,085,126.40 : x
  2. Step 2: Convert to fraction form
    477,005,547,471.80/658,269,790,666.52 = 260,231,085,126.40/x
  3. Step 3: Cross multiply
    477,005,547,471.80x = 658,269,790,666.52 × 260,231,085,126.40
  4. Step 4: Simplify right side
    477,005,547,471.80x = 171,302,261,931,076,680,155,136
  5. Step 5: Solve for x
    x = 171,302,261,931,076,680,155,136/477,005,547,471.80
  6. Step 6: Final answer
    x = 359,120,062,311.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.